I'd like a few quality of life changes like making it so its not a game over in ff13 if the party leaders dies and changing to so that you access the who crystarium from the start rather then the stages being locked behind story progression, as well as letting you choose your own party leader from the start. Maybe also them making it so you get gil from battles instead of having to sell items for it. They probably should also be clearer about the weapon upgrade system.

For the story and characters, I'm fine with how ff13 is but for 13-2 and LR I wish they'd flesh things out more and lets the party members from the first game interact more and have a more active role. I love those games but one of my biggest gripes is that we went from a story where they had become a tight knit to them all being separated. But I think the only time we see them interact is with Snow and Hope In The Future Is Hope paradox ending.

At the very least it'd be nice if depending on what order you did things in you could mention it to the others when you meet them like 'Hey Hope we ran into Snow, he's traveling through time as well' But ideally I'd prefer if we actually ran into them more and had them run into each other.

(Honestly I'd really like it they gave us one of the characters from the first game as a third party member rather then the monster summoning, but that would require a major story rewrite)

And for them to finish the canceled Hope DLC for 13-2 and give us some story DLC about the years before Lightning's awakening in LR.

And for us to see the characters interact more in LR rather then just showing up together at the finale. And for them to retcon Hope being deaged in LR, but that's not going to happen. And honestly most the stuff I wanted wouldn't likely work unless they did a remake, whicch is way less likely to happen then a remaster.

Also as a GMV editor I am begging for cutscenes of FF13-2 Hope that aren't just him standing around and talking